Using Cn1c(=O)c(C(=O)NCC(=O)O)c(O)c2cc(C3=CCOCC3)cnc21 to produce Cn1c(=O)c(C(=O)NCC(=O)O)c(O)c2cc(C3CCOCC3)cnc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.