Using c1cn[nH]c1, Clc1nc(N2CCOCC2)c2sc(CBr)cc2n1 to produce c1cc(-c2nc(N3CCOCC3)c3sc(Cn4cccn4)cc3n2)c2cn[nH]c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.