Using CC(C)(C)OC(=O)NCCC(=O)Nc1ccc2ncnc(Nc3ccc(C(=O)Nc4ccccc4)cc3)c2c1 to produce NCCC(=O)Nc1ccc2ncnc(Nc3ccc(C(=O)Nc4ccccc4)cc3)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.