Using CCOC(=O)CC(NC(=O)c1cccc(NCc2ccc(C=NN)cc2)c1)c1cccnc1 to produce NN=Cc1ccc(CNc2cccc(C(=O)NC(CC(=O)O)c3cccnc3)c2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.