Using CCc1cc2c(N3CCN(C(=O)C4CCCCN4C(=O)OC(C)(C)C)CC3)ncnc2s1 to produce CCc1cc2c(N3CCN(C(=O)C4CCCCN4)CC3)ncnc2s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.