Using CCN1c2ncc(CCOc3ccc(NC(=O)OC(C)(C)C)cc3C)cc2C(=O)N(C)c2cccnc21 to produce CCN1c2ncc(CCOc3ccc(N)cc3C)cc2C(=O)N(C)c2cccnc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.