Using C1COCCO1, O=C(N[C@H]1CN[C@H](C(=O)Nc2cnc3ccccc3c2)C1)[C@H](O)CCc1ccccc1 to produce O=C(N[C@@H]1C[C@@H](C(=O)Nc2cnc3ccccc3c2)N(C(=O)C2CNCCN2)C1)[C@H](O)CCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.