Using ClCCl, CCC1Oc2c(ccc(Br)c2CCCN)N1C(=O)OC(C)(C)C to produce CCC1Oc2c(ccc(Br)c2CCCN)N1C(C)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.