Using O=C(NC1C=CCC2C(=O)c3ccccc3C(=O)C12)OCc1ccccc1 to produce O=C(Nc1cccc2c1C(=O)c1ccccc1C2=O)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.