Using COc1ccc2cc(-c3ccnc(N(C)C)n3)cc(NC3CCN(C(=O)OC(C)(C)C)CC3)c2c1 to produce COc1ccc2cc(-c3ccnc(N(C)C)n3)cc(NC3CCNCC3)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.