Using C=C[Sn](CCCC)(CCCC)CCCC, COc1ccc(-c2nc(Cc3ccccc3)c(N)nc2Cl)c(C=O)c1 to produce C=Cc1nc(N)c(Cc2ccccc2)nc1-c1ccc(OC)cc1C=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.