Using O=C(O)CCc1c[nH]c2ccccc12, NCC1COc2ccccc2O1 to produce c1ccc2c(c1)OCC(CNCCCc1c[nH]c3ccccc13)O2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.