Using O=C(O)Cc1cc2ccccc2s1, CCCNC1CCc2c(cccc2OC)C1 to produce CCCN(CCc1cc2ccccc2s1)C1CCc2c(O)cccc2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.