Using O=C([O-])c1ccc(NC(=O)c2ccccc2Cc2ccccc2)cc1 to produce O=C(O)c1ccc(NC(=O)c2ccccc2Cc2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.