Using O=C(O)C1CC(O)CN1C(=O)c1ccc2c(c1)OCO2, C1COCCN1 to produce O=C(C1CC(O)CN1C(=O)c1ccc2c(c1)OCO2)N1CCOCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.