Using CCN(CC)CC, Cc1c(C(=O)O)sc2nc(SCCCN3CCN(c4ccccn4)CC3)[nH]c(=O)c12 to produce Cc1c(N)sc2nc(SCCCN3CCN(c4ccccn4)CC3)[nH]c(=O)c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.