Using Clc1nccnc1Cl, Cc1ccc2[nH]c(C3CNC3)nc2c1 to produce Cc1ccc2[nH]c(C3CN(c4nccnc4Cl)C3)nc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.