Using COc1ccc(-n2nc(C(O)c3ccccc3)cc2-c2ccc(C)cc2)cc1 to produce COc1ccc(-n2nc(C(=O)c3ccccc3)cc2-c2ccc(C)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.