Using Cc1cc2c(c(Cl)n1)C(=O)OCC2, CCCC[Sn](CCCC)(CCCC)c1ccco1 to produce Cc1cc2c(c(-c3ccco3)n1)C(=O)OCC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.