Using Nc1ccc(C2CCNCC2)cc1Cl, O=C([O-])[O-] to produce CC(C)(C)OC(=O)N1CCC(c2ccc(N)c(Cl)c2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.