Using c1ccncc1, CCNc1cc2ncnc(N3CCN(C(=S)NCc4ccccc4)CC3)c2cc1N to produce CCn1cnc2cc3c(N4CCN(C(=S)NCc5ccccc5)CC4)ncnc3cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.