Using COC(=O)c1cc(NCc2c(C)cccc2C)c2nc(C)c(C)n2c1, NCCO to produce Cc1cccc(C)c1CNc1cc(C(=O)NCCO)cn2c(C)c(C)nc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.