Using CCCCCOc1c(OC)ccc2c1C(O)N(CCc1ccc(OCc3ccccc3)cc1)C2=O to produce CCCCCOc1c(OC)ccc2c1CN(CCc1ccc(OCc3ccccc3)cc1)C2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.