Using Nc1ccccc1SC(c1ccccc1)[C@H](NC(=O)OCc1ccccc1)C(=O)O to produce O=C(NC1C(=O)Nc2ccccc2SC1c1ccccc1)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.