Using CCOC(=O)c1cnc2c(Cl)cccc2c1Cl, CCCCC([Sn])=C(CCCC)CCCC to produce C=Cc1c(C(=O)OCC)cnc2c(Cl)cccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.