Using Cc1ncc(C)n2nc(C=Cc3cn4c(n3)-c3ccccc3C4)nc12 to produce Cc1ncc(C)n2nc(CCc3cn4c(n3)-c3ccccc3C4)nc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.