Using CI, CC(C)(C)OC(=O)N1CCN(c2cccc(-c3nc4ccccc4[nH]3)c2)CC1 to produce Cn1c(-c2cccc(N3CCN(C(=O)OC(C)(C)C)CC3)c2)nc2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.