Using OCCCc1ccc2ccccc2c1, CCCC[Sn](CI)(CCCC)CCCC to produce CCCC[Sn](CCCC)(CCCC)COCCCc1ccc2ccccc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.