Using CC(C)(C)OC(=O)N1CCC(C(=O)O)(c2ccc(Cl)c(Cl)c2)CC1, CN(C)C=O to produce CC(C)(C)OC(=O)N1CCC(N=C=O)(c2ccc(Cl)c(Cl)c2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.