Using CC(C)(C)OC(=O)N1CCCN(c2nccnc2C2CN(c3ccc4ccccc4n3)C2)CC1 to produce c1ccc2nc(N3CC(c4nccnc4N4CCCNCC4)C3)ccc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.