Using CC(=O)OC(C)=O, Nc1nc2c(ncn2OCCCO)c(=O)[nH]1 to produce CC(=O)OCCCOn1cnc2c(=O)[nH]c(N)nc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.