Using OB(O)c1cccc(Cl)c1Cl, CCOC(=O)Cc1cccc(I)c1 to produce CCOC(=O)Cc1cccc(-c2cccc(Cl)c2Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.