Using Cc1nc2c(c(N3CCOCC3)n1)OCC(=O)N2, OCC1CO1 to produce Cc1nc(N2CCOCC2)c2c(n1)N(CC(O)CO)C(=O)CO2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.