Using C[O-], CC(C)(C)OC(=O)N1CCC(CNc2nccnc2Cl)CC1 to produce COc1nccnc1NCC1CCN(C(=O)OC(C)(C)C)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.