Using O=C(CCCCCCCOc1ccc2c(c1)C(=O)c1ccccc1CO2)NOCc1ccccc1 to produce O=C(CCCCCCCOc1ccc2c(c1)C(=O)c1ccccc1CO2)NO, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.