Using O=C1CCC(=O)N1Br, CCOP(=O)(OCC)c1ccc(-c2cccc(N)c2)o1 to produce CCOP(=O)(OCC)c1ccc(-c2ccc(Br)c(N)c2)o1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.