Using CCCCCOc1cccc2c1C(=O)N(CCc1ccc(O)cc1)C2=O to produce CCCCCOc1cccc2c1C(=O)N(CCc1ccc(O)cc1)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.