Using CC(=O)OC(C)=O, O=C1NC(=O)C(Cc2ccc(OCCNc3ncccn3)cc2)S1 to produce CC(=O)N(CCOc1ccc(CC2SC(=O)NC2=O)cc1)c1ncccn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.