Using CN(C(=O)OC(C)(C)C)C1CCNC1, Clc1ccc2c(Cl)ccnc2c1 to produce CN(C(=O)OC(C)(C)C)C1CCN(c2ccnc3cc(Cl)ccc23)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.