Using COC(=O)[C@@H]1CC[C@H](n2nc(-c3c(-c4ccccc4)nn4ccccc34)ccc2=O)C(=O)C1 to produce O=C(O)[C@@H]1CC[C@H](n2nc(-c3c(-c4ccccc4)nn4ccccc34)ccc2=O)C(=O)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.