Using Brc1ccc2c(c1)C(C1CCCCC1)=NCC2, C=C(OCC)[Sn](CCCC)(CCCC)CCCC to produce CC(=O)c1ccc2c(c1)C(C1CCCCC1)=NCC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.