Using C[O-], CCC(CC)c1cc(C)nc2c(-c3sc(N4CCOCC4)nc3Br)c(C)nn12 to produce CCC(CC)c1cc(C)nc2c(-c3sc(N4CCOCC4)nc3OC)c(C)nn12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.