Using COc1ccc2c(c1)CCC(N1C(=O)c3ccccc3C1=O)C2 to produce O=C1c2ccccc2C(=O)N1C1CCc2cc(O)ccc2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.