Using O=C1CCC(=O)N1Br, CCC(CC)CNC(C)=C(C=CC(=O)OC)C(=O)OC to produce CCC(CC)Cn1c(C)c(C(=O)OC)cc(Br)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.