Using COc1ccc(CN2C(=O)c3nccc(OC)c3C23CCCCC3)cc1 to produce COc1ccc(CN2C(=O)c3nccc(O)c3C23CCCCC3)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.