Using CN(C(=O)OC(C)(C)C)c1cccc(C(=O)Nc2cccc(CNc3ncnc4c(C(N)=O)cccc34)c2)c1 to produce CNc1cccc(C(=O)Nc2cccc(CNc3ncnc4c(C(N)=O)cccc34)c2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.