Using COc1cc(CCNCc2ccccc2C(=O)NCCCCc2ccccc2)ccc1C to produce Cc1ccc(CCNCc2ccccc2C(=O)NCCCCc2ccccc2)cc1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.