Using CC(C)(C)OC(=O)N1CCC(NC(=O)C(C)(C)c2nccnc2Cl)CC1 to produce CC(C)(C)OC(=O)N1CCC(N2C(=O)C(C)(C)c3nccnc32)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.