Using CC(C)(C)OC(=O)N1CCC(C(=O)NCc2ccc3[nH]ncc3c2)CC1 to produce O=C(NCc1ccc2[nH]ncc2c1)C1CCNCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.