Using CC(C)(C)OC(=O)N1CCN(c2ccc(Br)cn2)CC1, C=CC(=O)OCC to produce CCOC(=O)/C=C/c1ccc(N2CCN(C(=O)OC(C)(C)C)CC2)nc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.