Using CCO, COc1ccc(C2CCOCC2)c2sc(NC(=O)c3ccnc(Br)c3)nc12 to produce CCOc1cc(C(=O)Nc2nc3c(OC)ccc(C4CCOCC4)c3s2)ccn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.