Using C=CC[Sn](CCCC)(CCCC)CCCC, Clc1cccc2c1CCOC2C1=NCCN1 to produce C=CCc1cccc2c1CCOC2C1=NCCN1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.