Using CC(C)N1CCc2ccc(C(=O)CCC(=O)N3CCC(c4ccc(Cl)cc4)CC3)cc2CC1 to produce CC(C)N1CCc2ccc(C(O)CCC(=O)N3CCC(c4ccc(Cl)cc4)CC3)cc2CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.