Using CCN(C)c1nc(C=Cc2nc3c(C)ncc(C)n3n2)n(C)n1 to produce CCN(C)c1nc(CCc2nc3c(C)ncc(C)n3n2)n(C)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.