Using c1c[nH]cn1, Clc1nc2cc(Cn3ccnc3)ccc2[nH]1 to produce c1cn(Cc2ccc3[nH]c(-n4ccnc4)nc3c2)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.