Using COc1c(C)cc(C(=O)CCCCCBr)c(C)c1OC, CCCc1c(O)ccc(C(=O)OC)c1O to produce CCCc1c(OCCCCCC(=O)c2cc(C)c(OC)c(OC)c2C)ccc(C(=O)OC)c1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.