Using CCOC(C)=O, Cn1c(=O)[nH]c(=O)c2c1ncn2CCC(N)=NO to produce Cc1nc(CCn2cnc3c2c(=O)[nH]c(=O)n3C)no1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.