Using CC(C)(C)OC(=O)n1nc(N)c2cc(N)ccc21, O=C1CCCN(Cc2ccccc2)C1 to produce Nc1n[nH]c2ccc(NC3CCCN(Cc4ccccc4)C3)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.