Using O=Cc1ccccc1B(O)O, COC(=O)CCn1c(Br)c(C2CCCCC2)c2ccc(C(=O)OC)cc21 to produce COC(=O)CCn1c(-c2ccccc2C=O)c(C2CCCCC2)c2ccc(C(=O)OC)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.