Using O=C(Nc1ccc2[nH]c(CO)cc2c1)c1cc2ccccc2o1 to produce O=Cc1cc2cc(NC(=O)c3cc4ccccc4o3)ccc2[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.