Using CC(C)(C)OC(=O)N1CCC(Oc2cc(Cl)ncn2)CC1, Brc1ccc2c(c1)CCN2 to produce CC(C)(C)OC(=O)N1CCC(Oc2cc(N3CCc4cc(Br)ccc43)ncn2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.