Using COc1cc(C(C)(C)O)cc(Br)c1Oc1nc(C)nc(N2CCOCC2)n1 to produce C=C(C)c1cc(Br)c(Oc2nc(C)nc(N3CCOCC3)n2)c(OC)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.