Using COC(=O)[C@H]1CC[C@H](N(CCC(c2ccccc2)c2ccccc2)C(=O)Nc2nc3ccccc3s2)C1 to produce O=C(O)[C@H]1CC[C@H](N(CCC(c2ccccc2)c2ccccc2)C(=O)Nc2nc3ccccc3s2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.