Using O=C1CCC(=O)N1Br, Cc1ccc2c(c1)OC1Oc3ccc(C)cc3C21 to produce Cc1ccc2c(c1)OC1Oc3c(Br)cc(C)cc3C21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.