Using CC1CCC(c2cccc(NC(=O)N3CCC(=O)CC3)c2)(N2CCN(c3ccccc3)CC2)CC1 to produce CC1CCC(c2cccc(NC(=O)N3CCC(O)CC3)c2)(N2CCN(c3ccccc3)CC2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.