Using COC(=O)c1ccc2c(c1)nc(SCc1cccc(Br)c1)n2CCCN(C)CCc1ccccn1 to produce CN(CCCn1c(SCc2cccc(Br)c2)nc2cc(C(=O)O)ccc21)CCc1ccccn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.