Using BrC(Br)(Br)Br, CN1C=c2c(c3c4c([nH]c3c3cc(CCCO)c5c(c23)N=CC=5)C=CC(=O)C4)C1=O to produce CN1C=c2c(c3c4c([nH]c3c3cc(CCCBr)c5c(c23)N=CC=5)C=CC(=O)C4)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.