Using CCOC(=O)C1(NC(=O)c2ccc3c(c2)OCO3)CCCCC1 to produce O=C(NC1(C(=O)O)CCCCC1)c1ccc2c(c1)OCO2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.