Using C[C@H]1COCCN1c1nc(Cl)nc2c1CN(C(=O)OC(C)(C)C)C2 to produce C[C@H]1COCCN1c1nc(Cl)nc2c1CNC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.