Using CN(C(=O)OC(C)(C)C)C1CNC1, Cc1cc(Cl)ccn1 to produce Cc1cc(N2CC(N(C)C(=O)OC(C)(C)C)C2)ccn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.