Using CC(C)(C)OC(=O)NC1CN(C(=O)C2CCN(C(=O)C3(C)CC3)CC2)CC1c1ccc(Cl)c(Cl)c1 to produce CC1(C(=O)N2CCC(C(=O)N3CC(N)C(c4ccc(Cl)c(Cl)c4)C3)CC2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.